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Finding the Third Proportional to 78,853 and 125,529

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Solution

The third proportional to 78,853 and 125,529 is: 199,834.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,853 : 125,529 = 125,529 : x
  2. Step 2: Convert to fraction form
    78,853/125,529 = 125,529/x
  3. Step 3: Cross multiply
    78,853x = 125,529 × 125,529
  4. Step 4: Simplify right side
    78,853x = 15,757,529,841
  5. Step 5: Solve for x
    x = 15,757,529,841/78,853
  6. Step 6: Final answer
    x = 199,834.25

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Why These Related Problems?

These problems maintain the same ratio (1.59) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.